Cut Condensation

How to Cut Condensation?

Efficient windows play a crucial role in enhancing the comfort of homes, particularly in cold climates. One of their key benefits is their ability to cut condensation on the interior surface of windows. Condensation occurs when the temperature of the window’s interior surface is colder than the indoor air temperature. This phenomenon can have several adverse consequences, including mold and mildew growth inside the house and obstructed views through the windows.

To make informed decisions when selecting windows for cold climates, it’s essential to take into account the Condensation Resistance Rating, often denoted as CR on the NFRC (National Fenestration Rating Council) label affixed to new windows certified by NFRC. This rating provides valuable information about a window’s ability to resist condensation, and it is typically measured on a scale of 1 to 100. The higher the CR rating, the less likely condensation is to occur on the window’s interior surface.

In colder climates, it’s advisable to opt for windows with a significantly higher CR rating compared to what might be necessary in warmer regions. This proactive approach helps mitigate the risk of condensation-related issues, such as mold and mildew growth, which can compromise indoor air quality and overall comfort. Additionally, windows with high CR ratings ensure that your views through the windows remain unobstructed, allowing you to fully enjoy the outdoor scenery while keeping your home cozy and free from moisture-related problems.

In summary, paying attention to the Condensation Resistance Rating on the NFRC label is crucial when selecting windows for homes in cold climates. It’s a valuable indicator of a window’s ability to reduce condensation, maintain a comfortable indoor environment, and protect your home from potential mold and mildew issues. Prioritizing windows with higher CR ratings is a smart choice to ensure a warm and condensation-free living space.

To learn more, read our blog on how to stop condensation on windows.

About Us

provides unbiased information and education to the public on the energy efficiency, technical, and human considerations that influence window selection and use. The EWC collaborates with allied organizations, educational institutions, and government agencies that promote energy efficiency in residential windows. We do not sell, service, install, or recommend products, or endorse manufacturers. Descriptions and specifications of the products in the Window Selection Tool are provided by the manufacturer. The EWC is not liable for any manufacturing defects or inaccurate product descriptions and specifications and does not guarantee the performance of NFRC-certified windows, doors, and skylights.

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